Answer
Oct 13, 2025 - 06:21 AM
Unfortunately, the design of this Furnace thermostat does not permit direct plug-and-play replacement from Micro-Air.
The ASY-352-X03 (black) or X04 (white) https://www.rvupgradestore.com/Micro-... is feasible to use but requires a manual installation workaround, this is not designed by the Micro-Air team and is not supported by Micro-Air. They do not provide installation or troubleshooting assistance.
Consult with a qualified RV Tech or installer if you require help with the below solution.
EasyTouch RV model 352 is generic and uses a relay to control its furnace output. The relay is open when off and closes to connect positive 12 volts DC to the furnace wire to run. Often, this is what these square furnace thermostats mechanically do as well. You must verify that your existing thermostat connects and disconnect 12 volts to the furnace for on and off, respectively.
If so, you must then run an appropriate DC ground wire to EasyTouch RV to provide power. You can find a generic wiring diagram in the EasyTouch RV 352-352C Manual located on the below web page.
https://www.micro-air.com/kb-
The ASY-352-X03 (black) or X04 (white) https://www.rvupgradestore.com/Micro-... is feasible to use but requires a manual installation workaround, this is not designed by the Micro-Air team and is not supported by Micro-Air. They do not provide installation or troubleshooting assistance.
Consult with a qualified RV Tech or installer if you require help with the below solution.
EasyTouch RV model 352 is generic and uses a relay to control its furnace output. The relay is open when off and closes to connect positive 12 volts DC to the furnace wire to run. Often, this is what these square furnace thermostats mechanically do as well. You must verify that your existing thermostat connects and disconnect 12 volts to the furnace for on and off, respectively.
If so, you must then run an appropriate DC ground wire to EasyTouch RV to provide power. You can find a generic wiring diagram in the EasyTouch RV 352-352C Manual located on the below web page.
https://www.micro-air.com/kb-
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